Sheet metal penetrations are used in rated assemblies, and when correctly fire-caulked become part of that assembly. rated floors often use sheet metal pan decking, most often with a pour of light weight or standard concrete on top.. Most metal panel manufacturers have tested their roof assemblies, and most, if not all, metal panels and shingles can be used in class a fire-rated roof systems. astm e108 fire resistance fire-rated roof systems ibc metal roof metal roof advantages ul 790. Siplast lightweight insulating concrete systems january 2012 table 1 fire resistance ratings . assembly rating (see table a).
Not mean that metal buildings are exempt from all fire protection requirements, the code does recognize significant advantages for using noncombustible construction compared to wood framed -. Uk aluminium industry fact sheet 11 : aluminium and fire 1 introduction aluminium and its alloys are the most commonly used non-ferrous metal materials and they find. Guideline on through-penetration firestopping sheet metal and air conditioning contractors’ national association, inc. 4201 lafayette center drive chantilly, va 20151-1209 a wall of fire-rated construction (expressed in hours) which serves to divide the floor.
